William Mcclain, MD
NPI 1821459652 · Orthopaedic Surgery Physician · Apo
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Mcclain, MD is a Orthopaedic Surgery Physician provider in Apo (NPI 1821459652).
Provider details
- NPI number
- 1821459652
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 yrs in NPPES registry
- Profile completeness38% of score
67% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-03-07
- Last updated
- 2022-07-21
- Certified
- 2021-08-02
Frequently asked questions
- What is William Mcclain's NPI number?
- William Mcclain's National Provider Identifier (NPI) is 1821459652, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Mcclain's specialty?
- William Mcclain is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is William Mcclain located?
- William Mcclain's practice location on file with NPPES is 48th Medical Group, Apo, 09461-5115.
- What is William Mcclain's phone number?
- The practice phone number listed in the NPPES registry for William Mcclain is (314) 226-8010.
- Does William Mcclain accept Medicare?
- William Mcclain is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Mcclain's NPI active?
- Yes — William Mcclain's NPI (1821459652) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.